Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

What has 88 keys?

Can you find the company name in the pictogram below?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

It belongs to you, but other people use it more than you do. What is it?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?